Western Zone Zone Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within their Zone.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Zachary Darevsky | 40.18 | 9 | AA Min | AAA: 38.29 (+1.89s | 4.7%) | Mission Aurora Colorado Swimmi | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 102 | Ahaan Iragavarapu | 40.23 | 10 | A Min | AA: 40.19 (+0.04s | 0.1%) | Pro Swimming | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 103 | Nicholas Liu | 40.27 | 9 | A Min | AA: 40.19 (+0.08s | 0.2%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 104 | Cayden Lin | 40.27 | 10 | A Min | AA: 40.19 (+0.08s | 0.2%) | Rosemead Rapids | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 105 | Luca Tricano | 40.28 | 10 | A Min | AA: 40.19 (+0.09s | 0.2%) | Golden West Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 106 | Aaron Cho | 40.34 | 8 | A Min | AA: 40.19 (+0.15s | 0.4%) | Klg Sports Swim Team | 03/14/2024 | 2024 SCS Spring Age Group Champshipson | |
| 107 | Abraham Cheng | 40.35 | 9 | A Min | AA: 40.19 (+0.16s | 0.4%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 108 | Kai Jo | 40.35 | 10 | A Min | AA: 40.19 (+0.16s | 0.4%) | Punahou Aquatics Institute | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 109 | Benjamin Shen | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 110 | Emmett Curry | 40.37 | 10 | A Min | AA: 40.19 (+0.18s | 0.4%) | Seattle Metropolitan Aquatic C | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 111 | Shunsuke Suzuki | 40.38 | 10 | A Min | AA: 40.19 (+0.19s | 0.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 112 | Ethan Qu | 40.45 | 10 | A Min | AA: 40.19 (+0.26s | 0.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 113 | Samuel Zhang | 40.47 | 10 | A Min | AA: 40.19 (+0.28s | 0.7%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 114 | Silas Rowe | 40.47 | 10 | A Min | AA: 40.19 (+0.28s | 0.7%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 115 | Brett Baker | 40.51 | 10 | A Min | AA: 40.19 (+0.32s | 0.8%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | |
| 116 | Jason Yin | 40.52 | 9 | A Min | AA: 40.19 (+0.33s | 0.8%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 117 | Oliver Panofsky | 40.54 | 9 | A Min | AA: 40.19 (+0.35s | 0.9%) | Slo Swim Club Seahawks | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 118 | Joji Kinebuchi | 40.57 | 10 | A Min | AA: 40.19 (+0.38s | 0.9%) | Fog City Hammerheads | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 119 | Leo Ferrante | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Unattached | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 120 | Gavin Fobian | 40.63 | 12 | A Min | AA: 40.19 (+0.44s | 1.1%) | Alameda Gators | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 121 | Kamran Clapp | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 122 | David Grant | 40.66 | 10 | A Min | AA: 40.19 (+0.47s | 1.2%) | Fort Collins Area Swim Team | 01/23/2026 | 2026 CO FAST Winter Open | |
| 123 | Nhat Tran | 40.69 | 9 | A Min | AA: 40.19 (+0.50s | 1.2%) | Olympic Cascade Aquatics | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 124 | Oscar Holler | 40.69 | 10 | A Min | AA: 40.19 (+0.50s | 1.2%) | Milpitas Aquatic Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 125 | Eli Shapiro | 40.72 | 10 | A Min | AA: 40.19 (+0.53s | 1.3%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 126 | Owen Newton | 40.73 | 9 | A Min | AA: 40.19 (+0.54s | 1.3%) | SwimNation Aquatics Programs | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 127 | Andrew Liu | 40.76 | 10 | A Min | AA: 40.19 (+0.57s | 1.4%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 128 | Emmett Adams | 40.78 | 10 | A Min | AA: 40.19 (+0.59s | 1.4%) | Reno Aquatic Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 129 | Ezz Abdelhadi | 40.83 | 10 | A Min | AA: 40.19 (+0.64s | 1.6%) | Palo Alto Stanford Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 130 | Lucas Jiang | 40.83 | 9 | A Min | AA: 40.19 (+0.64s | 1.6%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 131 | Reid Kelly | 40.88 | 9 | A Min | AA: 40.19 (+0.69s | 1.7%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 132 | Kamden Love | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Stingray Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 133 | Henry Bresson | 40.95 | 10 | A Min | AA: 40.19 (+0.76s | 1.9%) | Chinook Aquatic Club | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 134 | Conrad Tanton | 40.97 | 10 | A Min | AA: 40.19 (+0.78s | 1.9%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 135 | Flynn Chen | 41.03 | 9 | A Min | AA: 40.19 (+0.84s | 2.0%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 136 | Benjamin Li | 41.04 | 10 | A Min | AA: 40.19 (+0.85s | 2.1%) | Seattle Metropolitan Aquatic C | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 137 | Chukwuma Chiedozi | 41.06 | 10 | A Min | AA: 40.19 (+0.87s | 2.1%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 138 | Allen Chen | 41.08 | 10 | A Min | AA: 40.19 (+0.89s | 2.2%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 139 | Johann Mancenido | 41.11 | 10 | A Min | AA: 40.19 (+0.92s | 2.2%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 140 | Lee Pham | 41.11 | 10 | A Min | AA: 40.19 (+0.92s | 2.2%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 141 | William Xing | 41.14 | 10 | A Min | AA: 40.19 (+0.95s | 2.3%) | Olympus Aquatics | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 142 | Eliott Jackson | 41.19 | 9 | A Min | AA: 40.19 (+1.00s | 2.4%) | Team Eugene Aquatics | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 143 | Landon Wang | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Seattle Metropolitan Aquatic C | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 144 | Gilly Luna | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 145 | Jackson Lee | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Burlingame Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 146 | Matvey Fadeev | 41.25 | 9 | A Min | AA: 40.19 (+1.06s | 2.6%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 147 | Ethan Kang | 41.27 | 10 | A Min | AA: 40.19 (+1.08s | 2.6%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 148 | Arick Yuan | 41.29 | 9 | A Min | AA: 40.19 (+1.10s | 2.7%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 149 | Jake Zobec | 41.29 | 10 | A Min | AA: 40.19 (+1.10s | 2.7%) | Denver Triton Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 150 | Allister Georgiou | 41.34 | 10 | A Min | AA: 40.19 (+1.15s | 2.8%) | McGrath Marlins Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.